1997
Modulation of c-fos and egr-1 expression in the isolated perfused kidney by agents that alter tubular work
Joannidis M, Cantley L, Spokes K, Stuart-Tilley A, Alper S, Epstein F. Modulation of c-fos and egr-1 expression in the isolated perfused kidney by agents that alter tubular work. Kidney International 1997, 52: 130-139. PMID: 9211355, DOI: 10.1038/ki.1997.312.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsAnimalsBlotting, NorthernCell HypoxiaCells, CulturedDNA-Binding ProteinsDogsEarly Growth Response Protein 1Fluorescent Antibody Technique, IndirectGene Expression RegulationGlycineImmediate-Early ProteinsImmunohistochemistryIn Vitro TechniquesKidneyMaleOuabainProto-Oncogene Proteins c-fosRatsRats, Sprague-DawleyTime FactorsTranscription FactorsConceptsMedullary thick ascending limbThick ascending limbHypoxic injuryOuter medullaStandard perfusionC-fosMRNA levelsIEG expressionAscending limbEgr-1Immediate early gene c-fosAbsence of reperfusionEarly gene c-fosKrebs-Henseleit bufferGene c-fosImmediate early gene expressionInhibition of NaEgr-1 expressionHypoxic damageRenal cortexImmunohistochemical demonstrationRenal epithelial cellsTubular transportCultured renal epithelial cellsIEG mRNA levels
1995
Induction of heat-shock proteins does not prevent renal tubular injury following ischemia
Joannidis M, Cantley L, Spokes K, Medina R, Pullman J, Rosen S, Epstein F. Induction of heat-shock proteins does not prevent renal tubular injury following ischemia. Kidney International 1995, 47: 1752-1759. PMID: 7643546, DOI: 10.1038/ki.1995.242.Peer-Reviewed Original ResearchConceptsHeat shock proteinsMedullary hypoxic injuryPossible protective effectRenal tubular injuryDifferent experimental modelsSevere morphological damageSerum creatinineTubular injuryCross clampingIschemic injuryRight kidneyRenal arteryHypoxic injuryControl ratsIntact ratsRenal cortexProtective effectImmunohistochemical meansUrea nitrogenProximal tubulesHeat shockRenal cellsRat kidneyKidneyMorphological damage
1993
Role of endothelin and prostaglandins in radiocontrast-induced renal artery constriction
Cantley L, Spokes K, Clark B, McMahon E, Carter J, Epstein F. Role of endothelin and prostaglandins in radiocontrast-induced renal artery constriction. Kidney International 1993, 44: 1217-1223. PMID: 8301922, DOI: 10.1038/ki.1993.371.Peer-Reviewed Original ResearchConceptsRenal blood flowRole of endothelinRenal artery constrictionEndothelin receptor antagonistsBlood flowRenal vasoconstrictionArtery constrictionReceptor antagonistSystemic blood pressureUrinary prostaglandin E2Absence of indomethacinRenal hypoperfusionBlood pressureRenal perfusionAortic ringsIntact ratsProstaglandin E2Sustained decreaseNormal ratsRadiocontrast agentsBaseline valuesProstaglandin synthesisProstaglandin formationRatsIndomethacinEffects of Ioversol versus Iothalamate on Endothelin Release and Radiocontrast Nephropathy
HEYMAN S, CLARK B, CANTLEY L, SPOKES K, ROSEN S, BREZIS M, EPSTEIN F. Effects of Ioversol versus Iothalamate on Endothelin Release and Radiocontrast Nephropathy. Investigative Radiology 1993, 28: 313-318. PMID: 8478171, DOI: 10.1097/00004424-199304000-00011.Peer-Reviewed Original ResearchConceptsEffects of ioversolEndothelin releaseRadiocontrast nephropathyRadiocontrast agentsEqui-iodine dosesRelease of endothelinLow-osmolar agentsCultured bovine aortic endothelial cellsAortic endothelial cellsRenal vasoconstrictionBovine aortic endothelial cellsRenal vasoconstrictorCreatinine clearanceRenal functionOsmolar agentsRenal toxicityMorphologic damageNormal ratsVascular endotheliumSalt depletionNephropathyRenal medullaRatsEndothelial cellsIoversol